43830213 has 16 divisors (see below), whose sum is σ = 66977280. Its totient is φ = 24975216.

The previous prime is 43830209. The next prime is 43830221. The reversal of 43830213 is 31203834.

It is not a de Polignac number, because 43830213 - 2² = 43830209 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43830253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5206 + ... + 10712.

It is an arithmetic number, because the mean of its divisors is an integer number (4186080).

Almost surely, 2^43830213 is an apocalyptic number.

It is an amenable number.

43830213 is a deficient number, since it is larger than the sum of its proper divisors (23147067).

43830213 is a wasteful number, since it uses less digits than its factorization.

43830213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5896.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 43830213 is about 6620.4390337802. The cubic root of 43830213 is about 352.5801517852.

The spelling of 43830213 in words is "forty-three million, eight hundred thirty thousand, two hundred thirteen".